The $3.4 billion deal to take Verifone private is more than just an effort to strengthen the company. It's also a signal of how much the market has changed from the days when Verifone found itself scrambling to combat a newcomer called Square.

The timing is right, both for the technology and for Amazon, which has already demonstrated excellence on required customer journey points like a widely adopted Amazon app, writes Chris Ventry, a director for BRG Corporate Finance.

POS payment encryption products are widely available and have been for many years, from technologies designed to secure card data from the point it is entered into the payment terminal, writes Ruston Miles, founder and chief strategy officer of Bluefin Payment Systems.